The Hallmark Card Studio 2007 is an application developed for Windows 98 / 2000 / XP. If you have a newer version of Operating System, you might want to try to install the application using Windows Compatibility feature. To learn how to use it, you can visit the following official web page.
If this don't work, I suggest you upgrade your software to a newer version. To do that, you can visit the following official website.